Question: The primary difference between PERT and CPM is that a. PERT uses one time estimate. b. CPM has three time estimates. c. PERT has three

The primary difference between PERT and CPM is that

a. PERT uses one time estimate.

b. CPM has three time estimates.

c. PERT has three time estimates.

d. with CPM, it is assumed that all activities can be performed at the same time.

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